Stephen Biro is an American film producer, director, and writer, renowned as the president and founder of Unearthed Films, a distribution company specializing in horror and extreme cinema. Under his leadership, Unearthed Films introduced the controversial Japanese Guinea Pig series to North American audiences. Biro directed and wrote entries in the American Guinea Pig series, including Bouquet of Guts and Gore (2014) and The Song of Solomon (2017). He is also an author, with works like Hellucination, a memoir exploring his spiritual journey influenced by hallucinogens.